Berkeley: University of California Press, 1939.
First Edition. Hardcover. Near fine. Two volumes, 6.75 x 10.25 inches, pp xii, 375; xiv, 377-777. Indexed, illustrated with photographs and line drawings, color frontispiece in each volume. A highly detailed work with separate chapters on opossum, bears, racoons, ring-tailed cats, martens, fisher, weasels, mink, wolverine, river otters, sea otters, spotted skunks, striped skunks, and badgers. Includes information on each species typical size and coloration, variations, breeding habits, behavior, distribution, population estimates, and more.